["1500MG L-Glutamine Plays an Important Role in Muscle Function Pre- & Post-Exercise Pro Performance Results Supplementation may help maintain glutamine levels that have been depleted as a result of intense exercise and may support muscle function. Glutamine is involved in protein synthesis and plays a pivotal role in the bodys nitrogen balance. It serves as a fuel for the immune system and maintenance of proper intestinal function." Plays an important role in hydrating muscle cells* Fuel for the immune system and maintenance of proper intestinal function Take two capsules before exercise and two more capsules after exercise]